Q: What was the geometry student looking for at the beach?4 g2 ~$ s) D* y) j( G
0 T4 T! y! l: K3 YA: A tangent. - t! t/ I) Q% @ 3 b5 N0 b! A. J, M4 Y0 Etangent 9 Q; ~) Y1 s1 g5 x+ w! u. u
noun7 T5 \: ` A% t+ f) t$ ~9 i
(geometry) a straight line that touches the outside of a curve but does not cross it
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发表于 2009-4-8 12:18
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